Banach fixed-point theorem

theorem about metric spaces
Thing Fixed Point Theorem Q220680

Facts

7 properties
Maintained by WikiProject
WikiProject Mathematics[10]
Studied by
topology[9]
Time of discovery or invention
1922[8]
🏷️ Also known as
en Banach–Caccioppoli fixed-point theorem en contractive mapping theorem en contraction mapping theorem en BFPT en Banach fixed-point theorem ar مبرهنة باناخ للنقط الثابتة cs Banachova věta o pevném bodě de Fixpunktsatz von Banach de BFPS de Banachscher Fixpunktsatz el θεώρημα σταθερού σημείου Μπάναχ es teorema del punto fijo de Banach fa نظریه نقطه ثابت باناخ fi Banachin kiintopistelause fr Théorème du point fixe de Banach fr théorème du point fixe de Picard he משפט נקודת השבת של בנך hu Banach fixponttétele id Teorema titik tetap Banach it teorema delle contrazioni
🔖 Identifiers · 5
OpenAlex ID
C2780549194
Freebase ID
/m/0clr_
Mathlib Declaration ID
ContractingWith.exists_fixedPoint
Microsoft Academic ID (discontinued)
2780549194
Treccani's Enciclopedia della Matematica ID
teorema-di-banach-caccioppoli

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🔗 Connections
Discoverer or inventor 2
Instance of 2
Named after 2
Created notable works 1
Maintained by WikiProject 1
Part of 1
Studied by 1
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Summary

Banach fixed-point theorem is a fixed-point theorem[1].

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APA 4ort.xyz Knowledge Graph. (2026). Banach fixed-point theorem. Retrieved November 10, 2026, from https://4ort.xyz/entity/banach-fixed-point-theorem
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BibTeX @misc{4ortxyz_banach-fixed-point-theorem_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Banach fixed-point theorem}}, year = {2026}, url = {https://4ort.xyz/entity/banach-fixed-point-theorem}, note = {Accessed: 2026-11-10}}
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Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 18w ago · Mynus grey · 2026-07-02 view diff on Wikidata ↗
    Instance of → fixed-point theorem, theorem
    Mathlib Declaration ID → ContractingWith.exists_fixedPoint
    Named after → Stefan Banach, Renato Caccioppoli
    Maintained by WikiProject → WikiProject Mathematics
    + 3 other properties edited (see Wikidata diff for full list)
    "Created claim: Mathlib Declaration ID: ContractingWith.exists_fixedPoint, #quickstatements; #temporary_batch_1783013068346"
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